The nurse teaches food handlers to wash utensils after contact with raw meat. Which of the fol-lowing best describes the focus of this education?
a. Agent
b. Host
c. Environment
d. Food handler
ANS: C
Environmental factors facilitate the transmission of an infectious agent from an infected host to other susceptible hosts. Teaching food handlers to wash utensils after contact with raw meat is a prevention that focuses on the environment. An agent is described by its ability to cause disease and the nature and the severity of the disease. The four major categories of agents are: (1) bacte-ria, (2) parasites, (3) fungi, and (4) viruses. A food handler is an example of a host, which is a human or animal that can harbor an infectious agent.
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